不太理解 以整岁算 是什么意思
以下是一个示例,可供参考
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Scanner;
public class Demo {
public static void main(String[] args) {
System.out.println("请输入出生时间(形如 2018-07-02 20:33:20)");
Scanner scanner = new Scanner(System.in);
String timeStr = scanner.nextLine();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
Date date = dateFormat.parse(timeStr);
long millis = System.currentTimeMillis() - date.getTime();
System.out.println("你已经呼吸了" + millis + "毫秒");
} catch (ParseException e) {
System.out.println("输入的时间格式有误!");
}
}
}
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